[PATCH 2/3] iopoll: Add readb_poll_sleep_timeout

Marek Vasut marex at denx.de
Fri Jul 14 23:22:00 CEST 2023


On 7/14/23 22:43, Mark Kettenis wrote:
> Add a variant of readl_poll_sleep_timeout that reads a single
> byte to match the readb_poll_timeout API that Linux has.
> 
> Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
> ---
>   include/linux/iopoll.h | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
> index 0ee2bddaa8..89990e95e9 100644
> --- a/include/linux/iopoll.h
> +++ b/include/linux/iopoll.h
> @@ -49,6 +49,9 @@
>   #define readl_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \
>   	readx_poll_sleep_timeout(readl, addr, val, cond, sleep_us, timeout_us)
>   
> +#define readb_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \
> +	readx_poll_sleep_timeout(readb, addr, val, cond, sleep_us, timeout_us)

readb variant should go before readl variant I think.


More information about the U-Boot mailing list